<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
		   var a="11";
		  var b=parseInt(a);
		  console.log(b);
		 var c=parseInt(a,2);
		 document.write(c);
		</script>
	</head>
	<body>
	</body>
</html>
